CVE-2026-85174
CVE-2026-85174
SiYuan before v3.8.2 logs API tokens from query parameters in plaintext to an accessible log file when full-text search requests exceed timing thresholds. Authenticated attackers can read the log file via the getFile endpoint to recover admin API tokens and gain permanent administrative access.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-85174?
- CVE-2026-85174 is a high-severity vulnerability, classified under Insertion of Sensitive Information into Log File. CVSS score: 8.8/10. Published 2026-09-03.
- How severe is CVE-2026-85174?
- High severity. CVSS v3 base score is 8.8 out of 10.